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//===----------------------------------------------------------*- swift -*-===//
//
// This source file is part of the Swift Argument Parser open source project
//
// Copyright (c) 2020 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
//
//===----------------------------------------------------------------------===//
#if os(macOS) && swift(>=5.7)
import XCTest
import ArgumentParserTestHelpers
final class CountLinesExampleTests: XCTestCase {
func testCountLines() throws {
guard #available(macOS 12, *) else { return }
let testFile = try XCTUnwrap(Bundle.module.url(forResource: "CountLinesTest", withExtension: "txt"))
try AssertExecuteCommand(command: "count-lines \(testFile.path)", expected: "20")
try AssertExecuteCommand(command: "count-lines \(testFile.path) --prefix al", expected: "4")
}
func testCountLinesHelp() throws {
guard #available(macOS 12, *) else { return }
let helpText = """
USAGE: count-lines [<input-file>] [--prefix <prefix>] [--verbose]
ARGUMENTS:
<input-file> A file to count lines in. If omitted, counts the
lines of stdin.
OPTIONS:
--prefix <prefix> Only count lines with this prefix.
--verbose Include extra information in the output.
-h, --help Show help information.
"""
try AssertExecuteCommand(command: "count-lines -h", expected: helpText)
}
}
#endif
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